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benzene- hydrocarbonbenzene is the first or initial member of arenes it was first revealed by faraday in year 1825 from whale oil mitscherllich 1833
the quantity of substance liberated dissolved or deposited at an electrode is directly proportional to the quantity of electricity passed by the
chemical reactivity the substances which react violently or produce flame on contact with water can be given suitable chemical treatment to convert
emulsification water immiscible liquid wastes can be emulsified using soap or detergent solution and then run into the drainage examples benzene
the quantity of heat liberated of absorbed when one mole of compound is formed in its standard state from its elements in their standard state is
evaporationhighly volatile liquid wastes could be disposed of by effective ventilationexample diethyl et-hermoderately volatile liquid wastes can be
antiaromaticity - hydrocarbonplanar cyclic conjugated substances less stable as compared to the relating acyclic unsaturated species are known as
dissolution and dilution water soluble1 miscible chemical wastes which are harmless in high dilution may be run into the drainage with plenty of
the amount of heat liberated when single mole of any substance is completely burnt in oxygen is known as heat of combustion h is negative for heat of
introduction in this activity your counsellor will perform some experiments illustrating the principles behind some of the disposal procedures these
aromaticity or aromatic characterthe characteristic behaviour of aromatic compounds is termed as aromaticity aromaticity is due to the extensive
dienes - hydrocarbonthese are hydrocarbon along with two carbon-carbon double bonds dienes are of three formsa conjugated dienes double bonds are
every substance poses exact amount of energy known as internal energy or intrinsic energy
kc is the equilibrium constants when the concentrations are expressed in moleslitrekc product of concentrate ions of products product of
laws of mass action were proposed by gulberg and waage the rate of chemical reaction is directly proportional to the product of the active masses of
the survey committee recommendationsthe survey committee consisting of the following three members surveyed chemistry1 physicsbotanyzoology
procedure1 assume that your counsellor is the head of the institution2 your counsellor will choose three of you and form a survey committee as
the chemical reaction at one time the rate of forward and backward reaction becomes equal that state is known as equilibrium
the number of species participating in the slowest step of the reaction is known as molecularity of the
objectivesafter you do this exercise you should be able to1 prepare a list of unserviceable and obsolete items to be disposed of after2 indicating
introduction you may find this exercise as a practical illustration for the procedure generally followed in the disposal of unserviceable and
the difference among threshold energy and average energy of the molecules is known as activation
physical properties of cycloalkane i in cycloalkane first two members are gases next three members are liquids and higher ones are solidsii
chemical properties of cycloalkanescycloalkanes behave both such as alkenes and alkanes in their chemical properties all cycloalkanes go through